minor #12932 Fix dama/doctrine-test-bundle docs (dmaicher)

This PR was merged into the 4.3 branch.

Discussion
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Fix dama/doctrine-test-bundle docs

To sync this with the change made here: dmaicher/doctrine-test-bundle@f9abe2c

The PHPUnit extension does not work properly for PHPUnit < 7.5 😕

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Commits
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940d0a9 Fix dama/doctrine-test-bundle docs

Author: javiereguiluz

testing/database.rst

@@ -48,12 +48,12 @@ Now, enable it as a PHPUnit extension or listener:
     <phpunit>
         <!-- ... -->
 
-        <!-- Add this for PHPUnit 7.1 or higher -->
+        <!-- Add this for PHPUnit 7.5 or higher -->
         <extensions>
             <extension class="DAMA\DoctrineTestBundle\PHPUnit\PHPUnitExtension"/>
         </extensions>
 
-        <!-- Add this for PHPUnit 7.0 -->
+        <!-- Add this for PHPUnit 7.0 until 7.4 -->
         <listeners>
             <listener class="\DAMA\DoctrineTestBundle\PHPUnit\PHPUnitListener"/>
         </listeners>